DDA Thumbturn for ATK and ABS Master – Brushed Nickel

Description Improve accessibility and ease of operation with the ABS® DDA-compliant large thumbturns, designed for ABS® Master and ATK ® cylinders. The simple grub screw installation allows for quick and easy replacement of the standard thumbturn. Available in Brushed Nickel, Polished Chrome, and Polished Brass.