[Rust-proof & Durable Steel.]Made of primary steel and with steel sliding T-bars and an aluminum alignment plate, the cabinet clamp's body and the side jaw are cast steel for long-term durability and tightness. and its center aluminum alignment plates allow the to align the two cabinet's face frames together from front to back. [Accurate & Efficient Drill Holes.]The built-in drill guide will automatically help us lock the position to pre-drill and drill hole more accurately and effectively. Note: Be sure that the drill guide is in the locked position before drilling. [Easy to Use.]These cabinetry set is consistent, time-saving and left no damage to align the face frames of both cabinets more easier and faster. Note: Please remember to stick the adhesive pads correctly to the alignment plate and secondary arms to avoid leaving marks on the of the cabinets. [Widely Applications.]This cabinetry clamp could definitely does its job for all types of cabinets even you are not a professional installer. It holds the together and allows you to get them level and plumb. Specification: The cabinet work on stiles from 1-1/2 inch to 2 inch thickness(each) with 4 inch opening capacity; Minimum Jaw Width: 2.95 Inch; Maximum Jaw Width: 5.3 Inch; Alignment Plate Depth: 1.25 to 1.5 Inch; Drill bit: 1/8 inch; Drill hole: 1/4 inch. Please note: There is a slight color difference or discrepancy in kind, please don't mind ! Material: Aluminum alloy + steel colour: orange Package Contents: 4 x cabinet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.